本文整理汇总了Python中qgis.gui.QgsAttributeTableModel.rowCount方法的典型用法代码示例。如果您正苦于以下问题：Python QgsAttributeTableModel.rowCount方法的具体用法？Python QgsAttributeTableModel.rowCount怎么用？Python QgsAttributeTableModel.rowCount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.gui.QgsAttributeTableModel的用法示例。
在下文中一共展示了QgsAttributeTableModel.rowCount方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestQgsAttributeTableModel
# 需要导入模块: from qgis.gui import QgsAttributeTableModel [as 别名]
# 或者: from qgis.gui.QgsAttributeTableModel import rowCount [as 别名]
class TestQgsAttributeTableModel(unittest.TestCase):
@classmethod
def setUpClass(cls):
QgsEditorWidgetRegistry.initEditors()
def setUp(self):
self.layer = self.createLayer()
self.cache = QgsVectorLayerCache(self.layer, 100)
self.am = QgsAttributeTableModel(self.cache)
self.am.loadLayer()
self.am.loadAttributes()
def tearDown(self):
del self.am
del self.cache
del self.layer
def createLayer(self):
layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer",
"addfeat", "memory")
pr = layer.dataProvider()
features = list()
for i in range(10):
f = QgsFeature()
f.setAttributes(["test", i])
f.setGeometry(QgsGeometry.fromPoint(QgsPoint(100 * i, 2 ^ i)))
features.append(f)
self.assertTrue(pr.addFeatures(features))
return layer
def testLoad(self):
self.assertEqual(self.am.rowCount(), 10)
self.assertEqual(self.am.columnCount(), 2)
def testRemove(self):
self.layer.startEditing()
self.layer.deleteFeature(5)
self.assertEqual(self.am.rowCount(), 9)
self.layer.selectByIds([1, 3, 6, 7])
self.layer.deleteSelectedFeatures()
self.assertEqual(self.am.rowCount(), 5)
def testAdd(self):
self.layer.startEditing()
f = QgsFeature()
f.setAttributes(["test", 8])
f.setGeometry(QgsGeometry.fromPoint(QgsPoint(100, 200)))
self.layer.addFeature(f)
self.assertEqual(self.am.rowCount(), 11)
def testRemoveColumns(self):
self.assertTrue(self.layer.startEditing())
self.assertTrue(self.layer.deleteAttribute(1))
self.assertEqual(self.am.columnCount(), 1)示例2: TestQgsAttributeTableModel
# 需要导入模块: from qgis.gui import QgsAttributeTableModel [as 别名]
# 或者: from qgis.gui.QgsAttributeTableModel import rowCount [as 别名]
class TestQgsAttributeTableModel(unittest.TestCase):
@classmethod
def setUpClass(cls):
QgsGui.editorWidgetRegistry().initEditors()
def setUp(self):
self.layer = self.createLayer()
self.cache = QgsVectorLayerCache(self.layer, 100)
self.am = QgsAttributeTableModel(self.cache)
self.am.loadLayer()
def tearDown(self):
del self.am
del self.cache
del self.layer
def createLayer(self):
layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer",
"addfeat", "memory")
pr = layer.dataProvider()
features = list()
for i in range(10):
f = QgsFeature()
f.setAttributes(["test", i])
f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(100 * i, 2 ^ i)))
features.append(f)
self.assertTrue(pr.addFeatures(features))
return layer
def testLoad(self):
self.assertEqual(self.am.rowCount(), 10)
self.assertEqual(self.am.columnCount(), 2)
def testRemove(self):
self.layer.startEditing()
self.layer.deleteFeature(5)
self.assertEqual(self.am.rowCount(), 9)
self.layer.selectByIds([1, 3, 6, 7])
self.layer.deleteSelectedFeatures()
self.assertEqual(self.am.rowCount(), 5)
def testAdd(self):
self.layer.startEditing()
f = QgsFeature()
f.setAttributes(["test", 8])
f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(100, 200)))
self.layer.addFeature(f)
self.assertEqual(self.am.rowCount(), 11)
def testRemoveColumns(self):
self.assertTrue(self.layer.startEditing())
self.assertTrue(self.layer.deleteAttribute(1))
self.assertEqual(self.am.columnCount(), 1)
def testEdit(self):
fid = 2
field_idx = 1
new_value = 333
# get the same feature from model and layer
feature = self.layer.getFeature(fid)
model_index = self.am.idToIndex(fid)
feature_model = self.am.feature(model_index)
# check that feature from layer and model are sync
self.assertEqual(feature.attribute(field_idx), feature_model.attribute(field_idx))
# change attribute value for a feature and commit
self.layer.startEditing()
self.layer.changeAttributeValue(fid, field_idx, new_value)
self.layer.commitChanges()
# check the feature in layer is good
feature = self.layer.getFeature(fid)
self.assertEqual(feature.attribute(field_idx), new_value)
# get the same feature from model and layer
model_index = self.am.idToIndex(fid)
feature_model = self.am.feature(model_index)
# check that index from layer and model are sync
self.assertEqual(feature.attribute(field_idx), feature_model.attribute(field_idx))